.container {
  position: relative;
  width: 1226px;
  margin-right: auto;
  margin-left: auto;
}

a {
  img {
    width: 100%;
    height: 100%;
  }
}

input {
  outline: none;
  box-sizing: border-box;
  font-size: 14px;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

/*通过伪类清除浮动*/
.clearfix:before, .clearfix:after {
  content: ' '; /*伪类占位*/
  display: table;
}
.clearfix:after{
  clear: both;
}

